Cisco Talos Blog

November 24, 2021 09:01

Talos Takes Ep. #78: Attackers would love to buy you a non-existent PS5 this holiday season

By Jon Munshaw. The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We know this episode comes around every year, but people keep falling for scams, so we have to remind p

November 19, 2021 14:31

Threat Roundup for November 12 to November 19

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 12 and Nov. 19. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting k

November 5, 2021 13:47

Threat Roundup for October 29 to November 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 29 and Nov. 5. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting ke

October 22, 2021 16:33

Threat Roundup for October 15 to October 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 15 and Oct. 22. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting k

October 15, 2021 17:08

Threat Roundup for October 8 to October 15

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 8 and Oct. 15. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting ke

September 9, 2021 11:38

Talos release protection against zero-day vulnerability (CVE-2021-40444) in Microsoft MSHTML

Cisco Talos released new SNORT® rules Thursday to protect against the exploitation of a zero-day vulnerability in Microsoft MSHTML that the company warns is being actively exploited in the wild. Users are encouraged to deploy SIDs 58120 – 58129, Snort 3 SID 300049 and ClamAV sig

August 31, 2021 07:52

Attracting flies with Honey(gain): Adversarial abuse of proxyware

By Edmund Brumaghin and Vitor Ventura. * With internet-sharing applications, or "proxyware," users download software that allows them to share a percentage of their bandwidth with other internet users for a fee, with the companies that created this software acting as

August 13, 2021 13:12

Threat Roundup for August 6 to August 13

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 6 and Aug. 13. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting ke

August 12, 2021 18:33

Vice Society leverages PrintNightmare in ransomware attacks

Executive Summary Another threat actor is actively exploiting the so-called PrintNightmarevulnerability (CVE-2021-1675 / CVE-2021-34527) in Windows' print spooler service to spread laterally across a victim's network as part of a recent ransomware attack, according to Ci